154 JOURNAL OF THE ARNOLD ARBORETUM [vol. iv 



China 



Wallich 



? Betula rosea David Jour. Trois. Voy. Chin. i. 192 (1875), "Betulus."— 



Bretschneider, 1. c, 850 (1898). 

 Betula utilis Burkill in Jour. Linn. Soc. xxvi. 409 (1899). 

 Betula luminifera Hers in Jour. N. China Branch R. As. Soc. liii. 107 (1922); 



Liste Ess. Lign. Honan, 5 (1922); non Winkler. 



Honan :Lu shih,Lao kium shan,./. Hers, no. 1188, September 21, 1919. 



See also Hers, 1. c. 



2000- 



Hers, no. 2042, September 7, 1922. 



Shensi: Tai pei shan, W. Purdom, nos. 400 (bark), 

 See also Schneider, 1. c. 



Kansu: Tibetan country, W. Purdom, no. 1049 



Mey 



mbe 



Agric). — See also Bretschneider, 1. c, Burkill, 1. c, and Schneider, 1. c. 

 Distribution: also Hupeh, Szechuan. 



Betula albo- sinensis var. septentrionalis Schneider in Sargent, PI. 



Wil 



Winkler in Bot. Jahrb. xxxvi. beibl. lxxxii 



Kansu: Tow River district, W. Purdom, no. 752, 1911. — See also 



Schneider, 1. c. 



Shensi: Tai pa shan, G. Giraldi (ex Winkler, 1. c. and Schneider, 1. c). 



Distribution: also Szechuan. 



Betula Delavayi Franchet in Jour, de Bot. xm. 205 (1899).— Schneider 

 in Sargent, PI. Wilson, n. 460 (1916). 



Kansu: Min chou, Lotani, alt. 1900 m., W. Purdom, no. 812, 1911. — See 

 also Schneider, 1. c. 



Distribution: also Szechuan, Yunnan. 



Betula chinensis Maximowicz in Bull. Soc. Nat. Moscou, liv. pt. i, 



47 (1879).— Burkill in Jour. Linn. Soc. xxvi. 498 (1899).— Schneider in 



Sargent, PI. Wilson. II. 479 (1916).— Hers in Jour. N. China Branch R. 



As. Soc. liii. 107 (1922); Liste Ess. Lign. Honan, 5 (1922). 



Betula chinensis var. angusticarpa Winkler in Engler, Pflanzenr. iv. 61, 67, 

 fig. 19 k-1 (1904). 

 Chili: Weichang, W. Purdom. no. 85, 1910; Tsing shui tsien, J. Hers, 



no. 1623, September 6, 1921; Po hua shan, J. Hers, no. 1443, July 1, 1921; 



Hsiao wu tai shan, J. Hers, no. 1494, July 14, 1921; Hsiao \vu tai shan, 



Shui shih tao, alt. 1500 m., J. Hers, no. 2156, October 8, 1922; without 



locality, Pere Chanet, no. 82, 1918. — See also Maximowicz, 1. c, Burkill, 



1. c, Winkler, 1. c, Schneider, 1. c. 



Honan: Lu shih, Lao kiun shan, alt. 2000 m., J. Hers, no. 1195, Sep- 

 tember 21, 1919; Tsi yuan hsien, Tien tan shan, J. Hers, no. 1768, Septem- 

 ber 21, 1921. — See also Hers, 1. c. 



Distribution: also Manchuria, Korea. 



